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Grigoroiu M, Paul JF, Brian E, Aegerter P, Boddaert G, Mariolo A, Jorrot P, Bellahoues M, Seguin-Givelet A, Perduca V. 3D printing in anatomical lung segmentectomies: A randomized pilot trial. Heliyon 2024; 10:e31842. [PMID: 38867971 PMCID: PMC11168317 DOI: 10.1016/j.heliyon.2024.e31842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 05/04/2024] [Accepted: 05/22/2024] [Indexed: 06/14/2024] Open
Abstract
Objective This pilot study evaluated the impact of using a 3D printed model of the patient's bronchovascular lung anatomy on the mental workload and fatigue of surgeons during full thoracoscopic segmentectomy. Design We performed a feasibility pilot study of a prospective randomized controlled trial with 2 parallel arms. All included patients underwent digital 3D visual reconstruction of their bronchovascular anatomy and were randomized into the following two groups: Digital arm (only a virtual 3D model was available) and Digital + Object arm (both virtual and printed 3D models were available). The primary end-point was the surgeons' mental workload measured using the National Aeronautics and Space Administration-Task Load Index (NASA-TLX) score. Setting Between October 28, 2020 and October 05, 2021, we successively investigated all anatomic segmentectomies performed via thoracoscopy in the Thoracic Department of the Montsouris Mutualiste Institute, except for S6 segmentectomies and S4+5 left bi-segmentectomies. Participants We assessed 102 patients for anatomical segmentectomy. Among the, 40 were randomly assigned, and 34 were deemed analysable, with 17 patients included in each arm. Results Comparison of the two groups, each comprising 17 patients, revealed no statistically significant difference in primary or secondary end-points. The consultation of the visual digital model was significantly less frequent when a 3D printed model was available (6 versus 54 consultations, p = 0.001). Notably, both arms exhibited high NASA-TLX scores, particularly in terms of mental demand, temporal demand, and effort scores. Conclusion In our pilot study, 3D printed models and digital 3D reconstructions for pre-operative planning had an equivalent effect on thoracoscopic anatomic segmentectomy for experienced surgeons. The originality of this study lies in its focus on the impact of 3D printing of bronchovascular anatomy on surgeons, rather than solely on the surgical procedure.
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Affiliation(s)
- Madalina Grigoroiu
- Institut Mutualiste Montsouris, Institut Du Thorax Curie-Montsouris, 42, Boulevard Jourdan, 75014, Paris, France
| | - Jean-François Paul
- Institut Mutualiste Montsouris, Département de Radiologie, 42, Boulevard Jourdan, 75014, Paris, France
| | - Emmanuel Brian
- Institut Mutualiste Montsouris, Institut Du Thorax Curie-Montsouris, 42, Boulevard Jourdan, 75014, Paris, France
| | - Philippe Aegerter
- GIRCI-IDF, Cellule Méthodologie, 4, Av Richerand, 75010, Paris, France
- Université Paris-Saclay, UVSQ, Inserm, CESP U1018, 12, Av Paul-Couturier 94807, Villejuif, France
| | - Guillaume Boddaert
- Institut Mutualiste Montsouris, Institut Du Thorax Curie-Montsouris, 42, Boulevard Jourdan, 75014, Paris, France
| | - Alessio Mariolo
- Institut Mutualiste Montsouris, Institut Du Thorax Curie-Montsouris, 42, Boulevard Jourdan, 75014, Paris, France
| | - Pierre Jorrot
- Institut Mutualiste Montsouris, Département de Rythmologie, 42, Boulevard Jourdan, 75014. Paris, France
| | - Mouloud Bellahoues
- Institut Mutualiste Montsouris, Département de Recherche Clinique, 42, Boulevard Jourdan, 75014, Paris, France
| | - Agathe Seguin-Givelet
- Institut Mutualiste Montsouris, Institut Du Thorax Curie-Montsouris, 42, Boulevard Jourdan, 75014, Paris, France
| | - Vittorio Perduca
- Université Paris Cité, CNRS, MAP5, 44, Rue des Saint Pères, 75006, Paris, France
- Université Paris Saclay, UVSQ, INSERM, CESP U1018, « Exposome, Heredity, Cancer and Health » Team, Gustave Roussy, 12, Av Paul-Couturier, 94807, Villejuif, France
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Richard RD, Heare A, Mauffrey C, McGinley B, Lencioni A, Chandra A, Nasib V, Chaiken BL, Trompeter A. Use of 3D Printing Technology in Fracture Management: A Review and Case Series. J Orthop Trauma 2023; 37:S40-S48. [PMID: 37828701 DOI: 10.1097/bot.0000000000002693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/08/2023] [Indexed: 10/14/2023]
Abstract
SUMMARY Three-dimensional (3D) offers exciting opportunities in medicine, particularly in orthopaedics. The boundaries of 3D printing are continuously being re-established and have paved the way for further innovations, including 3D bioprinting, custom printing refined methods, 4D bioprinting, and 5D printing potential. The quality of these applications have been steadily improving, increasing their widespread use among clinicians. This article provides a review of the current literature with a brief introduction to the process of additive manufacturing, 3D printing, and its applications in fracture care. We illustrate this technology with a case series of 3D printing used for correction of complex fractures/nonunion. Factors limiting the use of this technology, including cost, and potential solutions are discussed. Finally, we discuss 4D bioprinting and 5D printing and their potential role in fracture surgery.
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Affiliation(s)
- Raveesh D Richard
- Department of Orthopedics, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO; and
| | - Austin Heare
- Department of Orthopedics, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO; and
| | - Cyril Mauffrey
- Department of Orthopedics, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO; and
| | - Beau McGinley
- Department of Orthopedics, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO; and
| | - Alex Lencioni
- Department of Orthopedics, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO; and
| | - Arjun Chandra
- Trauma and Orthopaedic Department, St. Georges University Hospital, London, England
| | - Vareesha Nasib
- Trauma and Orthopaedic Department, St. Georges University Hospital, London, England
| | - Brian L Chaiken
- Department of Orthopedics, Denver Health Medical Center, University of Colorado School of Medicine, Denver, CO; and
| | - Alex Trompeter
- Trauma and Orthopaedic Department, St. Georges University Hospital, London, England
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Song C, Min JH, Jeong WK, Kim SH, Heo JS, Han IW, Shin SH, Yoon SJ, Choi SY, Moon S. Use of individualized 3D-printed models of pancreatic cancer to improve surgeons' anatomic understanding and surgical planning. Eur Radiol 2023; 33:7646-7655. [PMID: 37231071 DOI: 10.1007/s00330-023-09756-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 05/27/2023]
Abstract
OBJECTIVES Three-dimensional (3D) printing has been increasingly used to create accurate patient-specific 3D-printed models from medical imaging data. We aimed to evaluate the utility of 3D-printed models in the localization and understanding of pancreatic cancer for surgeons before pancreatic surgery. METHODS Between March and September 2021, we prospectively enrolled 10 patients with suspected pancreatic cancer who were scheduled for surgery. We created an individualized 3D-printed model from preoperative CT images. Six surgeons (three staff and three residents) evaluated the CT images before and after the presentation of the 3D-printed model using a 7-item questionnaire (understanding of anatomy and pancreatic cancer [Q1-4], preoperative planning [Q5], and education for trainees or patients [Q6-7]) on a 5-point scale. Survey scores on Q1-5 before and after the presentation of the 3D-printed model were compared. Q6-7 assessed the 3D-printed model's effects on education compared to CT. Subgroup analysis was performed between staff and residents. RESULTS After the 3D-printed model presentation, survey scores improved in all five questions (before 3.90 vs. after 4.56, p < 0.001), with a mean improvement of 0.57‒0.93. Staff and resident scores improved after a 3D-printed model presentation (p < 0.05), except for Q4 in the resident group. The mean difference was higher among the staff than among the residents (staff: 0.50‒0.97 vs. residents: 0.27‒0.90). The scores of the 3D-printed model for education were high (trainees: 4.47 vs. patients: 4.60) compared to CT. CONCLUSION The 3D-printed model of pancreatic cancer improved surgeons' understanding of individual patients' pancreatic cancer and surgical planning. CLINICAL RELEVANCE STATEMENT The 3D-printed model of pancreatic cancer can be created using a preoperative CT image, which not only assists surgeons in surgical planning but also serves as a valuable educational resource for patients and students. KEY POINTS • A personalized 3D-printed pancreatic cancer model provides more intuitive information than CT, allowing surgeons to better visualize the tumor's location and relationship to neighboring organs. • In particular, the survey score was higher among staff who performed the surgery than among residents. • Individual patient pancreatic cancer models have the potential to be used for personalized patient education as well as resident education.
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Affiliation(s)
- Chorog Song
- Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro Gangnam-gu, Seoul, 06351, Republic of Korea
| | - Ji Hye Min
- Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro Gangnam-gu, Seoul, 06351, Republic of Korea.
| | - Woo Kyoung Jeong
- Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro Gangnam-gu, Seoul, 06351, Republic of Korea
| | - Seong Hyun Kim
- Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro Gangnam-gu, Seoul, 06351, Republic of Korea
| | - Jin Seok Heo
- Division of Hepatobiliary-Pancreatic Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - In Woong Han
- Division of Hepatobiliary-Pancreatic Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Sang Hyun Shin
- Division of Hepatobiliary-Pancreatic Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - So Jeong Yoon
- Division of Hepatobiliary-Pancreatic Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Seo-Youn Choi
- Department of Radiology, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Republic of Korea
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Demeco A, Foresti R, Frizziero A, Daracchi N, Renzi F, Rovellini M, Salerno A, Martini C, Pelizzari L, Costantino C. The Upper Limb Orthosis in the Rehabilitation of Stroke Patients: The Role of 3D Printing. Bioengineering (Basel) 2023; 10:1256. [PMID: 38002380 PMCID: PMC10669460 DOI: 10.3390/bioengineering10111256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/22/2023] [Accepted: 10/24/2023] [Indexed: 11/26/2023] Open
Abstract
Stroke represents the third cause of long-term disability in the world. About 80% of stroke patients have an impairment of bio-motor functions and over half fail to regain arm functionality, resulting in motor movement control disorder with serious loss in terms of social independence. Therefore, rehabilitation plays a key role in the reduction of patient disabilities, and 3D printing (3DP) has showed interesting improvements in related fields, thanks to the possibility to produce customized, eco-sustainable and cost-effective orthoses. This study investigated the clinical use of 3DP orthosis in rehabilitation compared to the traditional ones, focusing on the correlation between 3DP technology, therapy and outcomes. We screened 138 articles from PubMed, Scopus and Web of Science, selecting the 10 articles fulfilling the inclusion criteria, which were subsequently examined for the systematic review. The results showed that 3DP provides substantial advantages in terms of upper limb orthosis designed on the patient's needs. Moreover, seven research activities used biodegradable/recyclable materials, underlining the great potential of validated 3DP solutions in a clinical rehabilitation setting. The aim of this study was to highlight how 3DP could overcome the limitations of standard medical devices in order to support clinicians, bioengineers and innovation managers during the implementation of Healthcare 4.0.
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Affiliation(s)
- Andrea Demeco
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
| | - Ruben Foresti
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
- Center of Excellence for Toxicological Research (CERT), University of Parma, 43126 Parma, Italy
- Italian National Research Council, Institute of Materials for Electronics and Magnetism (CNR-IMEM), 43124 Parma, Italy
| | - Antonio Frizziero
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
| | - Nicola Daracchi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
| | - Francesco Renzi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
| | - Margherita Rovellini
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
| | - Antonello Salerno
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
| | - Chiara Martini
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
| | - Laura Pelizzari
- AUSL Piacenza, Neurorehabilitation and Spinal Unit, Department of Rehabilitative Medicine, 29121 Piacenza, Italy;
| | - Cosimo Costantino
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (A.F.); (N.D.); (F.R.); (M.R.); (A.S.); (C.M.); (C.C.)
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Alhabshi MO, Aldhohayan H, BaEissa OS, Al Shehri MS, Alotaibi NM, Almubarak SK, Al Ahmari AA, Khan HA, Alowaimer HA. Role of Three-Dimensional Printing in Treatment Planning for Orthognathic Surgery: A Systematic Review. Cureus 2023; 15:e47979. [PMID: 38034130 PMCID: PMC10686238 DOI: 10.7759/cureus.47979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Three-dimensional (3D) printing refers to a wide range of additive manufacturing processes that enable the construction of structures and models. It has been rapidly adopted for a variety of surgical applications, including the printing of patient-specific anatomical models, implants and prostheses, external fixators and splints, as well as surgical instrumentation and cutting guides. In comparison to traditional methods, 3D-printed models and surgical guides offer a deeper understanding of intricate maxillofacial structures and spatial relationships. This review article examines the utilization of 3D printing in orthognathic surgery, particularly in the context of treatment planning. It discusses how 3D printing has revolutionized this sector by providing enhanced visualization, precise surgical planning, reduction in operating time, and improved patient communication. Various databases, including PubMed, Google Scholar, ScienceDirect, and Medline, were searched with relevant keywords. A total of 410 articles were retrieved, of which 71 were included in this study. This article concludes that the utilization of 3D printing in the treatment planning of orthognathic surgery offers a wide range of advantages, such as increased patient satisfaction and improved functional and aesthetic outcomes.
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Affiliation(s)
- Manaf O Alhabshi
- Oral and Maxillofacial Surgery, King Abdullah Medical City, Jeddah, SAU
| | | | - Olla S BaEissa
- General Dentistry, North of Riyadh Dental Clinic, Second Health Cluster, Riyadh, SAU
- General Dentistry, Ibn Sina National College, Jeddah, SAU
| | | | | | | | | | - Hayithm A Khan
- Oral and Maxillofacial Surgery, Ministry of Health, Jeddah, SAU
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Arsenkov S, Plavevski O, Nikolovski A, Arsenkov L, Shurlani A, Saliu V. Enhancing surgical planning of distal splenopancreatectomy through 3D printed models: a case report. J Surg Case Rep 2023; 2023:rjad528. [PMID: 37727227 PMCID: PMC10506889 DOI: 10.1093/jscr/rjad528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/26/2023] [Indexed: 09/21/2023] Open
Abstract
The complex anatomy of the peripancreatic region was a challenge to many surgeons in the past. Up until recently, the only way to prepare and plan a surgery was through the use of traditional 2D images, obtained via computed tomography or magnetic resonance imaging. Recently, the advantages in the field of 3D printing (also called additive manufacturing, or rapid prototyping) allowed the creation of replicas of the patient's anatomy which is to be used for preoperative planning and visual reference. We present the case of a 46-y.o. patient with a distal pancreatic lesion requiring a distal splenopancreatectomy, who benefited from the use of 3D printing technology. No intraoperative or postoperative complications were encountered, while the created model was used to plan and perform the needed resection.
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Affiliation(s)
- Stefan Arsenkov
- Department of Abdominal Surgery, University Surgery Hospital “St. Naum Ohridski”, 1000 Skopje, North Macedonia
| | | | - Andrej Nikolovski
- Department of Abdominal Surgery, University Surgery Hospital “St. Naum Ohridski”, 1000 Skopje, North Macedonia
| | - Ljuben Arsenkov
- Department of Abdominal Surgery, University Surgery Hospital “St. Naum Ohridski”, 1000 Skopje, North Macedonia
| | - Arben Shurlani
- Department of Abdominal Surgery, University Surgery Hospital “St. Naum Ohridski”, 1000 Skopje, North Macedonia
| | - Valon Saliu
- Department of Abdominal Surgery, University Surgery Hospital “St. Naum Ohridski”, 1000 Skopje, North Macedonia
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Fukumitsu K, Ishii T, Ogiso S, Yoh T, Uchida Y, Ito T, Seo S, Hata K, Uemoto S, Hatano E. Impact of patient-specific three-dimensional printed liver models on hepatic surgery safety: a pilot study. HPB (Oxford) 2023; 25:1083-1092. [PMID: 37290988 DOI: 10.1016/j.hpb.2023.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/22/2023] [Accepted: 05/05/2023] [Indexed: 06/10/2023]
Abstract
BACKGROUND Simulation and navigation technologies in hepatobiliary surgery have been developed recently. In this prospective clinical trial, we evaluated the accuracy and utility of our patient-specific three dimensional (3D)-printed liver models as an intraoperative navigation system to ensure surgical safety. METHOD Patients requiring advanced hepatobiliary surgeries during the study period were enrolled. Three cases were selected for comparison of the computed tomography (CT) scan data of the models with the patients' original data. Questionnaires were completed after surgeries to evaluate the utility of the models. Psychological stress was used as subjective data and operation time and blood loss as objective data. RESULTS Thirteen patients underwent surgery using the patient-specific 3D liver models. The difference between patient-specific 3D liver models and the original data was less than 0.6 mm in the 90% area. The 3D model assisted with intra-liver hepatic vein recognition and the definition of the cutting line. According to the post-operative subjective evaluation, surgeons found the models improved safety and reduced psychological stress during operations. However, the models did not reduce operative time or blood loss. CONCLUSION The patient-specific 3D-printed liver models accurately reflected patients' original data and were an effective intraoperative navigation tool for meticulously difficult liver surgeries. CLINICAL TRIAL REGISTRATION This study was registered in the UMIN Clinical Trial Registry (UMIN000025732).
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Affiliation(s)
- Ken Fukumitsu
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan.
| | - Takamichi Ishii
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan.
| | - Satoshi Ogiso
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
| | - Tomoaki Yoh
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
| | - Yoichiro Uchida
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
| | - Takashi Ito
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
| | - Satoru Seo
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
| | - Koichiro Hata
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
| | - Shinji Uemoto
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
| | - Etsuro Hatano
- Department of Surgery, Graduate School of Medicine, Kyoto University, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto City, Kyoto, 606-8507, Japan
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Pan A, Ding H, Hai Y, Liu Y, Hai JJ, Yin P, Han B. The Value of Three-Dimensional Printing Spine Model in Severe Spine Deformity Correction Surgery. Global Spine J 2023; 13:787-795. [PMID: 33973487 DOI: 10.1177/21925682211008830] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
STUDY DESIGN Retrospective case-control study. OBJECTIVE We aimed to evaluate the value of 3-dimensional printing (3DP) spine model in the surgical treatment of severe spinal deformity since the prosperous development of 3DP technology. METHODS Severe scoliosis or hyper-kyphosis patients underwent posterior fixation and fusion surgery using the 3DP spine models were reviewed (3DP group). Spinal deformity surgeries operated by free-hand screw implantation during the same period were selected as the control group after propensity score matching (PSM). The correction rate, pedicle screw accuracy, and complications were analyzed. Class A and B screws were defined as accurate according to Gertzbein and Robbins criteria. RESULTS 35 patients were enrolled in the 3DP group and 35 matched cases were included in the control group. The perioperative baseline data and deformity correction rate were similar between both groups (P > .05). However, the operation time and blood loss were significantly less in the 3DP group (296.14 ± 66.18 min vs. 329.43 ± 67.16 min, 711.43 ± 552.28 mL vs. 1322.29 ± 828.23 mL, P < .05). More three-column osteotomies (Grade 3-6) were performed in the 3DP group (30/35, 85.7% vs. 21/35, 60.0%. P = .016). The screw placement accuracy was significantly higher in the 3DP group (422/582, 72.51% vs. 397/575, 69.04%. P = .024). The screw misplacement related complication rate was significantly higher in the free-hand group (6/35 vs. 1/35, P = .046). CONCLUSIONS The study provided solid evidence that 3DP spine models can enhance surgeons' confidence in performing higher grade osteotomies and improve the safety and efficiency in severe spine deformity correction surgery. 3D printing technology has a good prospect in spinal deformity surgery.
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Affiliation(s)
- Aixing Pan
- Department of Orthopedic Surgery, 74639Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China
| | - Hongtao Ding
- Department of Orthopedic Surgery, 74639Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China
| | - Yong Hai
- Department of Orthopedic Surgery, 74639Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China
| | - Yuzeng Liu
- Department of Orthopedic Surgery, 74639Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China
| | - Junrui Jonathan Hai
- 261768The High School Affiliated to Renmin University of China, Haidian District, Beijing, China
| | - Peng Yin
- Department of Orthopedic Surgery, 74639Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China
| | - Bo Han
- Department of Orthopedic Surgery, 74639Beijing Chao-Yang Hospital, Capital Medical University, Chaoyang District, Beijing, China
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Shopova D, Yaneva A, Bakova D, Mihaylova A, Kasnakova P, Hristozova M, Sbirkov Y, Sarafian V, Semerdzhieva M. (Bio)printing in Personalized Medicine—Opportunities and Potential Benefits. Bioengineering (Basel) 2023; 10:bioengineering10030287. [PMID: 36978678 PMCID: PMC10045778 DOI: 10.3390/bioengineering10030287] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/19/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
The global development of technologies now enters areas related to human health, with a transition from conventional to personalized medicine that is based to a significant extent on (bio)printing. The goal of this article is to review some of the published scientific literature and to highlight the importance and potential benefits of using 3D (bio)printing techniques in contemporary personalized medicine and also to offer future perspectives in this research field. The article is prepared according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Web of Science, PubMed, Scopus, Google Scholar, and ScienceDirect databases were used in the literature search. Six authors independently performed the search, study selection, and data extraction. This review focuses on 3D bio(printing) in personalized medicine and provides a classification of 3D bio(printing) benefits in several categories: overcoming the shortage of organs for transplantation, elimination of problems due to the difference between sexes in organ transplantation, reducing the cases of rejection of transplanted organs, enhancing the survival of patients with transplantation, drug research and development, elimination of genetic/congenital defects in tissues and organs, and surgery planning and medical training for young doctors. In particular, we highlight the benefits of each 3D bio(printing) applications included along with the associated scientific reports from recent literature. In addition, we present an overview of some of the challenges that need to be overcome in the applications of 3D bioprinting in personalized medicine. The reviewed articles lead to the conclusion that bioprinting may be adopted as a revolution in the development of personalized, medicine and it has a huge potential in the near future to become a gold standard in future healthcare in the world.
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Affiliation(s)
- Dobromira Shopova
- Department of Prosthetic Dentistry, Faculty of Dental Medicine, Medical University, 4000 Plovdiv, Bulgaria
- Correspondence: ; Tel.: +359-887417078
| | - Antoniya Yaneva
- Department of Medical Informatics, Biostatistics and eLearning, Faculty of Public Health, Medical University, 4000 Plovdiv, Bulgaria
| | - Desislava Bakova
- Department of Healthcare Management, Faculty of Public Health, Medical University, 4000 Plovdiv, Bulgaria
| | - Anna Mihaylova
- Department of Healthcare Management, Faculty of Public Health, Medical University, 4000 Plovdiv, Bulgaria
| | - Petya Kasnakova
- Department of Healthcare Management, Faculty of Public Health, Medical University, 4000 Plovdiv, Bulgaria
| | - Maria Hristozova
- Department of Healthcare Management, Faculty of Public Health, Medical University, 4000 Plovdiv, Bulgaria
| | - Yordan Sbirkov
- Department of Medical Biology, Medical University, 4000 Plovdiv, Bulgaria
- Research Institute, Medical University, 4000 Plovdiv, Bulgaria
| | - Victoria Sarafian
- Department of Medical Biology, Medical University, 4000 Plovdiv, Bulgaria
- Research Institute, Medical University, 4000 Plovdiv, Bulgaria
| | - Mariya Semerdzhieva
- Department of Healthcare Management, Faculty of Public Health, Medical University, 4000 Plovdiv, Bulgaria
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10
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Sun Z, Wong YH, Yeong CH. Patient-Specific 3D-Printed Low-Cost Models in Medical Education and Clinical Practice. MICROMACHINES 2023; 14:464. [PMID: 36838164 PMCID: PMC9959835 DOI: 10.3390/mi14020464] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/11/2023] [Accepted: 02/14/2023] [Indexed: 06/18/2023]
Abstract
3D printing has been increasingly used for medical applications with studies reporting its value, ranging from medical education to pre-surgical planning and simulation, assisting doctor-patient communication or communication with clinicians, and the development of optimal computed tomography (CT) imaging protocols. This article presents our experience of utilising a 3D-printing facility to print a range of patient-specific low-cost models for medical applications. These models include personalized models in cardiovascular disease (from congenital heart disease to aortic aneurysm, aortic dissection and coronary artery disease) and tumours (lung cancer, pancreatic cancer and biliary disease) based on CT data. Furthermore, we designed and developed novel 3D-printed models, including a 3D-printed breast model for the simulation of breast cancer magnetic resonance imaging (MRI), and calcified coronary plaques for the simulation of extensive calcifications in the coronary arteries. Most of these 3D-printed models were scanned with CT (except for the breast model which was scanned using MRI) for investigation of their educational and clinical value, with promising results achieved. The models were confirmed to be highly accurate in replicating both anatomy and pathology in different body regions with affordable costs. Our experience of producing low-cost and affordable 3D-printed models highlights the feasibility of utilizing 3D-printing technology in medical education and clinical practice.
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Affiliation(s)
- Zhonghua Sun
- Discipline of Medical Radiation Science, Curtin Medical School, Curtin University, Perth 6845, Australia
- Curtin Health Innovation Research Institute (CHIRI), Faculty of Health Sciences, Curtin University, Perth 6845, Australia
- School of Medicine and Medical Advancement for Better Quality of Life Impact Lab, Taylor’s University, Subang Jaya 47500, Malaysia
| | - Yin How Wong
- School of Medicine and Medical Advancement for Better Quality of Life Impact Lab, Taylor’s University, Subang Jaya 47500, Malaysia
| | - Chai Hong Yeong
- School of Medicine and Medical Advancement for Better Quality of Life Impact Lab, Taylor’s University, Subang Jaya 47500, Malaysia
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11
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Żukowska M, Rad MA, Górski F. Additive Manufacturing of 3D Anatomical Models-Review of Processes, Materials and Applications. MATERIALS (BASEL, SWITZERLAND) 2023; 16:880. [PMID: 36676617 PMCID: PMC9861235 DOI: 10.3390/ma16020880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
The methods of additive manufacturing of anatomical models are widely used in medical practice, including physician support, education and planning of treatment procedures. The aim of the review was to identify the area of additive manufacturing and the application of anatomical models, imitating both soft and hard tissue. The paper outlines the most commonly used methodologies, from medical imaging to obtaining a functional physical model. The materials used to imitate specific organs and tissues, and the related technologies used to produce, them are included. The study covers publications in English, published by the end of 2022 and included in the Scopus. The obtained results emphasise the growing popularity of the issue, especially in the areas related to the attempt to imitate soft tissues with the use of low-cost 3D printing and plastic casting techniques.
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Affiliation(s)
- Magdalena Żukowska
- Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 61-138 Poznan, Poland
| | - Maryam Alsadat Rad
- School of Biomedical Engineering, Faculty of Engineering and Information Technology, University of Technology, Sydney, NSW 2007, Australia
| | - Filip Górski
- Faculty of Mechanical Engineering, Poznan University of Technology, Piotrowo 3, 61-138 Poznan, Poland
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12
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Ye Z, Jiang H, Bai S, Wang T, Yang D, Hou H, Zhang Y, Yi S. Meta-analyzing the efficacy of 3D printed models in anatomy education. Front Bioeng Biotechnol 2023; 11:1117555. [PMID: 36890917 PMCID: PMC9986435 DOI: 10.3389/fbioe.2023.1117555] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/09/2023] [Indexed: 02/22/2023] Open
Abstract
Three-dimensional printing models (3DPs) have been widely used in medical anatomy training. However, the 3DPs evaluation results differ depending on such factors as the training objects, experimental design, organ parts, and test content. Thus, this systematic evaluation was carried out to better understand the role of 3DPs in different populations and different experimental designs. Controlled (CON) studies of 3DPs were retrieved from PubMed and Web of Science databases, where the participants were medical students or residents. The teaching content is the anatomical knowledge of human organs. One evaluation indicator is the mastery of anatomical knowledge after training, and the other is the satisfaction of participants with 3DPs. On the whole, the performance of the 3DPs group was higher than that of the CON group; however, there was no statistical difference in the resident subgroup, and there was no statistical difference for 3DPs vs. 3D visual imaging (3DI). In terms of satisfaction rate, the summary data showed that the difference between the 3DPs group (83.6%) vs. the CON group (69.6%) (binary variable) was not statistically significant, with p > 0.05. 3DPs has a positive effect on anatomy teaching, although there are no statistical differences in the performance tests of individual subgroups; participants generally had good evaluations and satisfaction with 3DPs. 3DPs still faces challenges in production cost, raw material source, authenticity, durability, etc. The future of 3D-printing-model-assisted anatomy teaching is worthy of expectation.
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Affiliation(s)
- Zhen Ye
- School of clinical and basic medicine, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - Hanming Jiang
- School of clinical and basic medicine, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - Suyun Bai
- School of clinical and basic medicine, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - Tao Wang
- School of clinical and basic medicine, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - Duxiao Yang
- School of clinical and basic medicine, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - Haifeng Hou
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, China
| | - Yuanying Zhang
- School of clinical and basic medicine, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
| | - Shuying Yi
- School of clinical and basic medicine, The Second Affiliated Hospital of Shandong First Medical University, Tai'an, China
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13
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Marturello DM, James JC, Perry KL, Déjardin LM. Accuracy of anatomic 3-dimensionally printed canine humeral models. Vet Surg 2023; 52:116-126. [PMID: 36134757 DOI: 10.1111/vsu.13899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 07/19/2022] [Accepted: 09/05/2022] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To evaluate the accuracy of various three-dimensional print (3DP) technologies using morphometric measurements. STUDY DESIGN Experimental. SAMPLE POPULATION Cadaveric canine humeri and size-matched 3DP models. METHODS Fiduciary radiopaque markers were affixed to canine humeri of three different sizes (4, 13, 29 kg) at predetermined anatomical landmarks. 3DP models were created using one of three printers; desktop printers Form 3L and Ultimaker 5S, and industrial printer Objet Connex (n = 5/group/printer). Marker based morphometric dimensions between cadavers and 3DP models were statistically compared using 2-factor repeated measures ANOVA followed by Tukey's post-hoc test (p < .05). RESULTS Bone size and printer type both significantly affected 3DP accuracy, with size having the larger effect (p < .0001 and p < .02, respectively). Regardless of printing technology, model size was smaller than native bone in most cases. At the humeral condylar level, the best accuracy was seen in the medium-sized humerus with the Ultimaker printer ([0.09 mm], p < .03). Accuracy was reduced in the proximal humerus in all groups. CONCLUSION Desktop printers were overall more accurate than the industrial printer. Although significant differences were identified between models of different sizes, the submillimetric magnitude of these differences is unlikely to be clinically relevant. CLINICAL SIGNIFICANCE While preoperative planning using 3DP models is becoming mainstream, accurate representation of the actual bone is critical. This study demonstrates that common desktop printers are suitable for this purpose.
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Affiliation(s)
- Danielle M Marturello
- Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, Michigan, USA
| | - Jordan C James
- Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, Michigan, USA
| | - Karen L Perry
- Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, Michigan, USA
| | - Loïc M Déjardin
- Department of Small Animal Clinical Sciences, Michigan State University, East Lansing, Michigan, USA
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14
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Establishing a Point-of-Care Virtual Planning and 3D Printing Program. Semin Plast Surg 2022; 36:133-148. [PMID: 36506280 PMCID: PMC9729064 DOI: 10.1055/s-0042-1754351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Virtual surgical planning (VSP) and three-dimensional (3D) printing have become a standard of care at our institution, transforming the surgical care of complex patients. Patient-specific, anatomic models and surgical guides are clinically used to improve multidisciplinary communication, presurgical planning, intraoperative guidance, and the patient informed consent. Recent innovations have allowed both VSP and 3D printing to become more accessible to various sized hospital systems. Insourcing such work has several advantages including quicker turnaround times and increased innovation through collaborative multidisciplinary teams. Centralizing 3D printing programs at the point-of-care provides a greater cost-efficient investment for institutions. The following article will detail capital equipment needs, institutional structure, operational personnel, and other considerations necessary in the establishment of a POC manufacturing program.
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Implementation of an In-House 3D Manufacturing Unit in a Public Hospital’s Radiology Department. Healthcare (Basel) 2022; 10:healthcare10091791. [PMID: 36141403 PMCID: PMC9498605 DOI: 10.3390/healthcare10091791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/30/2022] [Accepted: 09/14/2022] [Indexed: 11/23/2022] Open
Abstract
Objective: Three-dimensional printing has become a leading manufacturing technique in healthcare in recent years. Doubts in published studies regarding the methodological rigor and cost-effectiveness and stricter regulations have stopped the transfer of this technology in many healthcare organizations. The aim of this study was the evaluation and implementation of a 3D printing technology service in a radiology department. Methods: This work describes a methodology to implement a 3D printing service in a radiology department of a Spanish public hospital, considering leadership, training, workflow, clinical integration, quality processes and usability. Results: The results correspond to a 6-year period, during which we performed up to 352 cases, requested by 85 different clinicians. The training, quality control and processes required for the scaled implementation of an in-house 3D printing service are also reported. Conclusions: Despite the maturity of the technology and its impact on the clinic, it is necessary to establish new workflows to correctly implement them into the strategy of the health organization, adjusting it to the needs of clinicians and to their specific resources. Significance: This work allows hospitals to bridge the gap between research and 3D printing, setting up its transfer to clinical practice and using implementation methodology for decision support.
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16
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Byrd CT, Lui NS, Guo HH. Applications of Three-Dimensional Printing in Surgical Oncology. Surg Oncol Clin N Am 2022; 31:673-684. [DOI: 10.1016/j.soc.2022.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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17
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Li X, Duan R, He Y, Qin J, Liu R, Dai S, Zhou J, Zeng X, Duan J, Gao P, Yang X, Li C. Application of three-dimensional visualization technology in the anatomical variations of hilar bile ducts in Chinese population. Front Surg 2022; 9:934183. [PMID: 35983555 PMCID: PMC9379322 DOI: 10.3389/fsurg.2022.934183] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 06/29/2022] [Indexed: 11/30/2022] Open
Abstract
This study aimed to establish three-dimensional models of the biliary tract of Chinese people using the Hisense computer-aided surgery (CAS) system and to explore the branching patterns and variation types of the biliary system under the study of 3D reconstruction of the biliary tract. Three-dimensional models of the biliary tract were reconstructed in 50 patients using the Hisense CAS system. The branching patterns of intrahepatic bile ducts were observed. The biliary tract was classified according to the confluence of the right posterior sectoral duct (RPSD), right anterior sectoral duct (RASD) and left hepatic duct (LHD), and the presence or absence of accessory hepatic ducts. The 3D models of the bile ducts were successfully reconstructed in 50 Chinese patients. The branching patterns of the bile ducts were classified into seven types. The anatomy of the bile ducts was typical in 54% of cases (n = 27), showed triple confluence in 10% (n = 5), and crossover anomaly in 14% (n = 7), which means anomalous drainage of the RPSD into the LHD, anomalous drainage of the RPSD into the common hepatic duct (CHD) in 10% (n = 5), anomalous drainage of the RPSD into the cystic duct (CD) in 2% (n = 1), absence of left main hepatic duct in 1% (n = 1), presence of accessory duct in 8% (n = 4). Among them, there were three cases of accessory hepatic ducts coexisting with other variation types. By using the Hisense CAS system to establish 3D models of the biliary tract of the Chinese people, we established the branching model of the second-order bile ducts, which has important value for the classification of the biliary system and its variation types.
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18
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ABPL RECON F1: Prototype of an Innovative Model of the Face for Teaching, Training, Simulation, and Patient Counselling. World J Plast Surg 2022; 11:122-124. [PMID: 36694684 PMCID: PMC9840755 DOI: 10.52547/wjps.11.3.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 10/27/2022] [Indexed: 12/15/2022] Open
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Bläsius F, Delbrück H, Hildebrand F, Hofmann UK. Surgical Treatment of Bone Sarcoma. Cancers (Basel) 2022; 14:cancers14112694. [PMID: 35681674 PMCID: PMC9179414 DOI: 10.3390/cancers14112694] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/22/2022] [Accepted: 05/24/2022] [Indexed: 12/24/2022] Open
Abstract
Bone sarcomas are rare primary malignant mesenchymal bone tumors. The three main entities are osteosarcoma, chondrosarcoma, and Ewing sarcoma. While prognosis has improved for affected patients over the past decades, bone sarcomas are still critical conditions that require an interdisciplinary diagnostic and therapeutic approach. While radiotherapy plays a role especially in Ewing sarcoma and chemotherapy in Ewing sarcoma and osteosarcoma, surgery remains the main pillar of treatment in all three entities. After complete tumor resection, the created bone defects need to be reconstructed. Possible strategies are implantation of allografts or autografts including vascularized bone grafts (e.g., of the fibula). Around the knee joint, rotationplasty can be performed or, as an alternative, the implantation of (expandable) megaprostheses can be performed. Challenges still associated with the implantation of foreign materials are aseptic loosening and infection. Future improvements may come with advances in 3D printing of individualized resection blades/implants, thus also securing safe tumor resection margins while at the same time shortening the required surgical time. Faster osseointegration and lower infection rates may possibly be achieved through more elaborate implant surface structures.
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Affiliation(s)
- Felix Bläsius
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
| | - Heide Delbrück
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
| | - Frank Hildebrand
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
| | - Ulf Krister Hofmann
- Department of Orthopaedic, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany; (F.B.); (H.D.); (F.H.)
- Centre for Integrated Oncology Aachen Bonn Köln Düsseldorf (CIO), 52074 Aachen, Germany
- Correspondence: ; Tel.: +49-(0)241-80-89350
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Zhao Y, Wang Z, Zhao J, Hussain M, Wang M. Additive Manufacturing in Orthopedics: A Review. ACS Biomater Sci Eng 2022; 8:1367-1380. [PMID: 35266709 DOI: 10.1021/acsbiomaterials.1c01072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Additive manufacturing is an advanced manufacturing manner that seems like the industrial revolution. It has the inborn benefit of producing complex formations, which are distinct from traditional machining technology. Its manufacturing strategy is flexible, including a wide range of materials, and its manufacturing cycle is short. Additive manufacturing techniques are progressively used in bone research and orthopedic operation as more innovative materials are developed. This Review lists the recent research results, analyzes the strengths and weaknesses of diverse three-dimensional printing strategies in orthopedics, and sums up the use of varying 3D printing strategies in surgical guides, surgical implants, surgical predictive models, and bone tissue engineering. Moreover, various postprocessing methods for additive manufacturing for orthopedics are described.
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Affiliation(s)
- Yingchao Zhao
- Xiangya School of Medicine, Central South University, No.172 Yinpenling Street, Tongzipo Road, Changsha 410013, China
| | - Zhen Wang
- Xiangya School of Medicine, Central South University, No.172 Yinpenling Street, Tongzipo Road, Changsha 410013, China
| | - Jingzhou Zhao
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore
| | - Mubashir Hussain
- Postdoctoral Innovation Practice, Shenzhen Polytechnic, No.4089 Shahe West Road, Xinwei Nanshan District, Shenzhen 518055, China
| | - Maonan Wang
- Department of Chemical & Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore
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Robb H, Scrimgeour G, Boshier P, Przedlacka A, Balyasnikova S, Brown G, Bello F, Kontovounisios C. The current and possible future role of 3D modelling within oesophagogastric surgery: a scoping review. Surg Endosc 2022; 36:5907-5920. [PMID: 35277766 PMCID: PMC9283150 DOI: 10.1007/s00464-022-09176-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 02/24/2022] [Indexed: 01/02/2023]
Abstract
BACKGROUND 3D reconstruction technology could revolutionise medicine. Within surgery, 3D reconstruction has a growing role in operative planning and procedures, surgical education and training as well as patient engagement. Whilst virtual and 3D printed models are already used in many surgical specialities, oesophagogastric surgery has been slow in their adoption. Therefore, the authors undertook a scoping review to clarify the current and future roles of 3D modelling in oesophagogastric surgery, highlighting gaps in the literature and implications for future research. METHODS A scoping review protocol was developed using a comprehensive search strategy based on internationally accepted guidelines and tailored for key databases (MEDLINE, Embase, Elsevier Scopus and ISI Web of Science). This is available through the Open Science Framework (osf.io/ta789) and was published in a peer-reviewed journal. Included studies underwent screening and full text review before inclusion. A thematic analysis was performed using pre-determined overarching themes: (i) surgical training and education, (ii) patient education and engagement, and (iii) operative planning and surgical practice. Where applicable, subthemes were generated. RESULTS A total of 56 papers were included. Most research was low-grade with 88% (n = 49) of publications at or below level III evidence. No randomised control trials or systematic reviews were found. Most literature (86%, n = 48) explored 3D reconstruction within operative planning. These were divided into subthemes of pre-operative (77%, n = 43) and intra-operative guidance (9%, n = 5). Few papers reported on surgical training and education (14%, n = 8), and were evenly subcategorised into virtual reality simulation (7%, n = 4) and anatomical teaching (7%, n = 4). No studies utilising 3D modelling for patient engagement and education were found. CONCLUSION The use of 3D reconstruction is in its infancy in oesophagogastric surgery. The quality of evidence is low and key themes, such as patient engagement and education, remain unexplored. Without high quality research evaluating the application and benefits of 3D modelling, oesophagogastric surgery may be left behind.
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Affiliation(s)
- Henry Robb
- Imperial College Healthcare NHS Trust, London, UK
- Imperial College London, London, UK
| | | | - Piers Boshier
- Imperial College Healthcare NHS Trust, London, UK
- Imperial College London, London, UK
| | - Anna Przedlacka
- Imperial College Healthcare NHS Trust, London, UK
- Imperial College London, London, UK
| | | | - Gina Brown
- Imperial College London, London, UK
- The Royal Marsden NHS Foundation Trust, London, UK
| | | | - Christos Kontovounisios
- Imperial College London, London, UK.
- The Royal Marsden NHS Foundation Trust, London, UK.
- Chelsea Westminster NHS Foundation Trust, London, UK.
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Heat Sterilization Effects on Polymeric, FDM-Optimized Orthopedic Cutting Guide for Surgical Procedures. J Funct Biomater 2021; 12:jfb12040063. [PMID: 34842761 PMCID: PMC8628910 DOI: 10.3390/jfb12040063] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 10/13/2021] [Accepted: 11/09/2021] [Indexed: 01/17/2023] Open
Abstract
Improvements in software for image analysis have enabled advances in both medical and engineering industries, including the use of medical analysis tools to recreate internal parts of the human body accurately. A research analysis found that FDM-sourced elements have shown viability for a customized and reliable approach in the orthopedics field. Three-dimensional printing has allowed enhanced accuracy of preoperative planning, leading to reduced surgery times, fewer unnecessary tissue perforations, and fewer healing complications. Furthermore, using custom tools chosen for each procedure has shown the best results. Bone correction-related surgeries require customized cutting guides for a greater outcome. This study aims to assess the biopolymer-based tools for surgical operations and their ability to sustain a regular heat-sterilization cycle without compromising the geometry and fit characteristics for a proper procedure. To achieve this, a DICOM and FDM methodology is proposed for fast prototyping of the cutting guide by means of 3D engineering. A sterilization test was performed on HTPLA, PLA, and nylon polymers. As a result, the unique characteristics within the regular autoclave sterilization process allowed regular supplied PLA to show there were no significant deformations, whilst annealed HTPLA proved this material’s capability of sustaining repeated heat cycles due to its crystallization properties. Both of these proved that the sterilization procedures do not compromise the reliability of the part, nor the safety of the procedure. Therefore, prototypes made with a similar process as this proposal could be safely used in actual surgery practices, while nylon performed poorly because of its hygroscopic properties.
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23
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Meesters AML, Trouwborst NM, de Vries JPPM, Kraeima J, Witjes MJH, Doornberg JN, Reininga IHF, IJpma FFA, ten Duis K. Does 3D-Assisted Acetabular Fracture Surgery Improve Surgical Outcome and Physical Functioning?-A Systematic Review. J Pers Med 2021; 11:966. [PMID: 34683107 PMCID: PMC8541524 DOI: 10.3390/jpm11100966] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 12/16/2022] Open
Abstract
Three-dimensional technology is increasingly being used in acetabular fracture treatment. No systematic reviews are available about the added clinical value of 3D-assisted acetabular fracture surgery compared to conventional surgery. Therefore, this study aimed to investigate whether 3D-assisted acetabular fracture surgery compared to conventional surgery improves surgical outcomes in terms of operation time, intraoperative blood loss, intraoperative fluoroscopy usage, complications, and postoperative fracture reduction, and whether it improves physical functioning. Pubmed and Embase databases were searched for articles on 3D technologies in acetabular fracture surgery, published between 2010 and February 2021. The McMaster critical review form was used to assess the methodological quality. Differences between 3D-assisted and conventional surgery were evaluated using the weighted mean and odds ratios. Nineteen studies were included. Three-dimensional-assisted surgery resulted in significantly shorter operation times (162.5 ± 79.0 versus 296.4 ± 56.0 min), less blood loss (697.9 ± 235.7 mL versus 1097.2 ± 415.5 mL), and less fluoroscopy usage (9.3 ± 5.9 versus 22.5 ± 20.4 times). The odds ratios of complications and fracture reduction were 0.5 and 0.4 for functional outcome in favour of 3D-assisted surgery, respectively. Three-dimensional-assisted surgery reduces operation time, intraoperative blood loss, fluoroscopy usage, and complications. Evidence for the improvement of fracture reduction and functional outcomes is limited.
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Affiliation(s)
- Anne M. L. Meesters
- Department of Trauma Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (N.M.T.); (I.H.F.R.); (F.F.A.I.); (K.t.D.)
| | - Neeltje M. Trouwborst
- Department of Trauma Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (N.M.T.); (I.H.F.R.); (F.F.A.I.); (K.t.D.)
| | - Jean-Paul P. M. de Vries
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - Joep Kraeima
- 3D Lab, Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (J.K.); (M.J.H.W.)
| | - Max J. H. Witjes
- 3D Lab, Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (J.K.); (M.J.H.W.)
| | - Job N. Doornberg
- Department of Orthopaedic Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - Inge H. F. Reininga
- Department of Trauma Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (N.M.T.); (I.H.F.R.); (F.F.A.I.); (K.t.D.)
| | - Frank F. A. IJpma
- Department of Trauma Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (N.M.T.); (I.H.F.R.); (F.F.A.I.); (K.t.D.)
| | - Kaj ten Duis
- Department of Trauma Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (N.M.T.); (I.H.F.R.); (F.F.A.I.); (K.t.D.)
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Beh CW, Yew DS, Chai RJ, Chin SY, Seow Y, Hoon SS. A fluid-supported 3D hydrogel bioprinting method. Biomaterials 2021; 276:121034. [PMID: 34332372 DOI: 10.1016/j.biomaterials.2021.121034] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/11/2021] [Accepted: 07/18/2021] [Indexed: 01/05/2023]
Abstract
Hydrogels are used in many biomedical applications, including regenerative medicine and surgical training phantoms. However, the ability to shape these materials into complex anatomical structures using additive manufacturing is limited in part by their low mechanical stiffness. We developed a hydrogel 3D printer, that projects patterns directly onto a thin layer of fluid-supported hydrogel precursor, which serves as a floating, liquid projection screen. This approach avoids inadvertent adhesion that affects typical resin-based 3D printers, and enables fast, continuous printing. As a consequence, we can print smooth objects free of layering artifacts, at rates of 200 mm/h along the Z-axis. We demonstrate the versatility of our approach by printing various complex structures, including free-standing channel networks with 500 μm-thick walls, using hydrogels with a wide range of stiffness from 7 kPa to more than 4 MPa. Lastly, because the printer features a free surface, we combined it with an extruder to perform multi-material printing. We use this strategy to create centimeter-scale, cell-laden hydrogels containing channels, that help address the key nutrient supply problem in bioprinting.
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Affiliation(s)
- Cyrus W Beh
- Molecular Engineering Laboratory, Institute of Molecular and Cell Biology, A*STAR, 61 Biopolis Drive, #03-13 Proteos, 138673, Singapore; Institute of Bioengineering and Bioimaging, A*STAR, 31 Biopolis Way, #06-01 Nanos, 138669, Singapore.
| | - Dionis S Yew
- Molecular Engineering Laboratory, Institute of Molecular and Cell Biology, A*STAR, 61 Biopolis Drive, #03-13 Proteos, 138673, Singapore
| | - Ruth J Chai
- Molecular Engineering Laboratory, Institute of Molecular and Cell Biology, A*STAR, 61 Biopolis Drive, #03-13 Proteos, 138673, Singapore
| | - Sau Yin Chin
- Molecular Engineering Laboratory, Institute of Molecular and Cell Biology, A*STAR, 61 Biopolis Drive, #03-13 Proteos, 138673, Singapore
| | - Yiqi Seow
- Molecular Engineering Laboratory, Institute of Molecular and Cell Biology, A*STAR, 61 Biopolis Drive, #03-13 Proteos, 138673, Singapore; Institute of Bioengineering and Bioimaging, A*STAR, 31 Biopolis Way, #06-01 Nanos, 138669, Singapore
| | - Shawn S Hoon
- Molecular Engineering Laboratory, Institute of Molecular and Cell Biology, A*STAR, 61 Biopolis Drive, #03-13 Proteos, 138673, Singapore
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Pabst A, Goetze E, Thiem DGE, Bartella AK, Seifert L, Beiglboeck FM, Kröplin J, Hoffmann J, Zeller AN. 3D printing in oral and maxillofacial surgery: a nationwide survey among university and non-university hospitals and private practices in Germany. Clin Oral Investig 2021; 26:911-919. [PMID: 34278522 DOI: 10.1007/s00784-021-04073-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 07/08/2021] [Indexed: 01/17/2023]
Abstract
OBJECTIVES Oral and maxillofacial surgery (OMFS) has undergone pioneering progress through the development of three-dimensional (3D) printing technologies. The aim of this study was to evaluate the use of 3D printing at OMFS university and non-university hospitals and private practices in Germany. MATERIALS AND METHODS For explorative assessment, a dynamic online questionnaire containing 10-22 questions about the current use of 3D printing and the reasons behind it was sent to OMFS university and non-university hospitals and private practices in Germany by the study group from the German Association of Oral and Maxillofacial Surgery (DGMKG). RESULTS In total, 156 participants responded from university (23 [14.7%]) and non-university hospitals (19 [12.2%]) and private practices without (85 [50.5%]) and with 29 (18.6%) inpatient treatment facility. Highest applications of 3D printing were in implantology (57%), microvascular bone reconstructions (25.6%), and orthognathics (21.1%). Among the participants, 37.8% reportedly were not using 3D printing. Among the hospitals and private practices, 21.1% had their own 3D printer, and 2.5% shared it with other departments. The major reason for not having a 3D printer was poor cost efficiency (37.6%). Possessing a 3D printer was motivated by independence from external providers (91.3%) and rapid template production (82.6%). The preferred printing methods were stereolithography (69.4 %) and filament printing (44.4%). CONCLUSIONS OMFS 3D printing is established in Germany with a wide range of applications. CLINICAL RELEVANCE The prevalence of 3D printing in hospitals and private practices is moderate. This may be enhanced by future innovations including improved cost efficiency.
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Affiliation(s)
- Andreas Pabst
- Department of Oral and Maxillofacial Surgery, Federal Armed Forces Hospital, Rübenacherstr. 170, 56072, Koblenz, Germany.
| | - Elisabeth Goetze
- Department of Oral and Maxillofacial Surgery, University Hospital Erlangen, Glückstr. 11, 91054, Erlangen, Germany
| | - Daniel G E Thiem
- Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, Augustusplatz 2, 55131, Mainz, Germany
| | - Alexander K Bartella
- Department of Oral and Maxillofacial Surgery, University Hospital Leipzig, Liebigstr. 12, 04103, Leipzig, Germany
| | - Lukas Seifert
- Department of Oral, Cranio Maxillofacial and Facial Plastic Surgery, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60528, Frankfurt am Main, Germany
| | - Fabian M Beiglboeck
- Department of Oral and Maxillofacial Surgery, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149, Münster, Germany.,MAM Research Group, Department of Biomedical Engineering, University of Basel, Gewerbestrasse 16, 4123, Allschwil, Switzerland
| | - Juliane Kröplin
- Department of Oral and Maxillofacial Surgery, Helios Hospital Schwerin, Wismarsche Str. 393-397, 19049, Schwerin, Germany
| | - Jürgen Hoffmann
- Department of Oral and Maxillofacial Surgery, University Clinic Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany
| | - Alexander-N Zeller
- Department of Oral and Maxillofacial Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
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Daoud GE, Pezzutti DL, Dolatowski CJ, Carrau RL, Pancake M, Herderick E, VanKoevering KK. Establishing a point-of-care additive manufacturing workflow for clinical use. JOURNAL OF MATERIALS RESEARCH 2021; 36:3761-3780. [PMID: 34248272 PMCID: PMC8259775 DOI: 10.1557/s43578-021-00270-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 06/09/2021] [Indexed: 06/13/2023]
Abstract
Additive manufacturing, or 3-Dimensional (3-D) Printing, is built with technology that utilizes layering techniques to build 3-D structures. Today, its use in medicine includes tissue and organ engineering, creation of prosthetics, the manufacturing of anatomical models for preoperative planning, education with high-fidelity simulations, and the production of surgical guides. Traditionally, these 3-D prints have been manufactured by commercial vendors. However, there are various limitations in the adaptability of these vendors to program-specific needs. Therefore, the implementation of a point-of-care in-house 3-D modeling and printing workflow that allows for customization of 3-D model production is desired. In this manuscript, we detail the process of additive manufacturing within the scope of medicine, focusing on the individual components to create a centralized in-house point-of-care manufacturing workflow. Finally, we highlight a myriad of clinical examples to demonstrate the impact that additive manufacturing brings to the field of medicine.
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Affiliation(s)
| | | | | | - Ricardo L. Carrau
- The Ohio State University College of Medicine, Columbus, OH USA
- The Ohio State University James Comprehensive Cancer Center, Columbus, OH 43210 USA
- Department of Otolaryngology, The Ohio State University, Columbus, OH USA
| | - Mary Pancake
- Department of Engineering, The Ohio State University, Columbus, OH USA
| | - Edward Herderick
- Department of Engineering, The Ohio State University, Columbus, OH USA
| | - Kyle K. VanKoevering
- The Ohio State University College of Medicine, Columbus, OH USA
- The Ohio State University James Comprehensive Cancer Center, Columbus, OH 43210 USA
- Department of Otolaryngology, The Ohio State University, Columbus, OH USA
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Alazzam A, Aljarba S, Alshomer F, Alawirdhi B. The Utility of Smartphone 3D Scanning, Open-Sourced Computer-aided Design, and Desktop 3D Printing in the Surgical Planning of Microtia Reconstruction: a Step by Step Guide and Concept Assessment. JPRAS Open 2021; 30:17-22. [PMID: 34355054 PMCID: PMC8321891 DOI: 10.1016/j.jpra.2021.06.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 06/10/2021] [Indexed: 11/17/2022] Open
Abstract
Introduction Microtia, a congenital anomaly of the auricle with a wide spectrum of presentation with challenging reconstruction. Management depends on its severity with variable reconstructive options. Preoperative planning is crucial to achieve better results and decrease operative time. In this article, we aim to show the utility of an affordable technology with the use of a smartphone, an open-source computer-aided design (CAD) software, and a desktop 3D printer in planning future ear location for unilateral microtia reconstruction in step-by-step fashion. Methodology Facial 3D scanning was done using a smartphone that has a three-dimensional capture system. The scan was then used in an open-sourced CAD software. A mirror image mask was created by reflecting normal side anatomic features to the abnormal side. The mask constitutes the desired area for reconstruction given the ear anthropometrics. Finally, the model was 3D printed and fitted to the patient in which incision marking and framework location was planned. Discussion Ear reconstruction requires careful assessment and specific technicality in its anthropometric measures. One important aspect in surgical planning resides in future ear location that varies between person to person. This variability makes the reconstructive option more customized based on the patient's needs. The utility of CAD software in the measurement and planning can help predict and optimize postoperative results as possible; however, it has major technical demands and added surgical fees. Conclusion Herein, we demonstrate the efficacy of an easy-to-use system beneficial for preoperative planning that is affordable, time-saving, and cost effective.
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Affiliation(s)
- Abdualziz Alazzam
- Plastic and Reconstructive Surgery Division, Surgery department, Ministry of National Guards Health Affairs, King Abdulaziz Medical City, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Sultan Aljarba
- King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Feras Alshomer
- Plastic and Reconstructive Surgery Division, Surgery department, Ministry of National Guards Health Affairs, King Abdulaziz Medical City, Riyadh, Saudi Arabia.,King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
| | - Bassam Alawirdhi
- Department of Plastic Surgery, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
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Fayad J, Turbucz M, Hajnal B, Bereczki F, Bartos M, Bank A, Lazary A, Eltes PE. Complicated Postoperative Flat Back Deformity Correction With the Aid of Virtual and 3D Printed Anatomical Models: Case Report. Front Surg 2021; 8:662919. [PMID: 34124135 PMCID: PMC8192795 DOI: 10.3389/fsurg.2021.662919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/27/2021] [Indexed: 11/20/2022] Open
Abstract
Introduction: The number of patients with iatrogenic spinal deformities is increasing due to the increase in instrumented spinal surgeries globally. Correcting a deformity could be challenging due to the complex anatomical and geometrical irregularities caused by previous surgeries and spine degeneration. Virtual and 3D printed models have the potential to illuminate the unique and complex anatomical-geometrical problems found in these patients. Case Presentation: We present a case report with 6-months follow-up (FU) of a 71 year old female patient with severe sagittal and coronal malalignment due to repetitive discectomy, decompression, laminectomy, and stabilization surgeries over the last 39 years. The patient suffered from severe low back pain (VAS = 9, ODI = 80). Deformity correction by performing asymmetric 3-column pedicle subtraction osteotomy (PSO) and stabilization were decided as the required surgical treatment. To better understand the complex anatomical condition, a patient-specific virtual geometry was defined by segmentation based on the preoperative CT. The geometrical accuracy was tested using the Dice Similarity Index (DSI). A complex 3D virtual plan was created for the surgery from the segmented geometry in addition to a 3D printed model. Discussion: The segmentation process provided a highly accurate geometry (L1 to S2) with a DSI value of 0.92. The virtual model was shared in the internal clinical database in 3DPDF format. The printed physical model was used in the preoperative planning phase, patient education/communication and during the surgery. The surgery was performed successfully, and no complications were registered. The measured change in the sagittal vertical axis was 7 cm, in the coronal plane the distance between the C7 plumb line and the central sacral vertical line was reduced by 4 cm. A 30° correction was achieved for the lumbar lordosis due to the PSO at the L4 vertebra. The patient ODI was reduced to 20 points at the 6-months FU. Conclusions: The printed physical model was considered advantageous by the surgical team in the pre-surgical phase and during the surgery as well. The model was able to simplify the geometrical problems and potentially improve the outcome of the surgery by preventing complications and reducing surgical time.
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Affiliation(s)
- Jennifer Fayad
- In Silico Biomechanics Laboratory, National Center for Spinal Disorders, Buda Health Center, Budapest, Hungary.,Department of Industrial Engineering, Alma Mater Studiorum, Universita di Bologna, Bologna, Italy.,Department of Spine Surgery, Semmelweis University, Budapest, Hungary
| | - Mate Turbucz
- Department of Industrial Engineering, Alma Mater Studiorum, Universita di Bologna, Bologna, Italy.,School of PhD Studies, Semmelweis University, Budapest, Hungary
| | - Benjamin Hajnal
- Department of Industrial Engineering, Alma Mater Studiorum, Universita di Bologna, Bologna, Italy
| | - Ferenc Bereczki
- Department of Industrial Engineering, Alma Mater Studiorum, Universita di Bologna, Bologna, Italy.,School of PhD Studies, Semmelweis University, Budapest, Hungary
| | | | - Andras Bank
- National Center for Spinal Disorders, Buda Health Center, Budapest, Hungary
| | - Aron Lazary
- Department of Spine Surgery, Semmelweis University, Budapest, Hungary.,National Center for Spinal Disorders, Buda Health Center, Budapest, Hungary
| | - Peter Endre Eltes
- Department of Industrial Engineering, Alma Mater Studiorum, Universita di Bologna, Bologna, Italy.,Department of Spine Surgery, Semmelweis University, Budapest, Hungary
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Point-of-care manufacturing: a single university hospital's initial experience. 3D Print Med 2021; 7:11. [PMID: 33890198 PMCID: PMC8061881 DOI: 10.1186/s41205-021-00101-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 04/08/2021] [Indexed: 12/13/2022] Open
Abstract
Background The integration of 3D printing technology in hospitals is evolving toward production models such as point-of-care manufacturing. This study aims to present the results of the integration of 3D printing technology in a manufacturing university hospital. Methods Observational, descriptive, retrospective, and monocentric study of 907 instances of 3D printing from November 2015 to March 2020. Variables such as product type, utility, time, or manufacturing materials were analyzed. Results Orthopedic Surgery and Traumatology, Oral and Maxillofacial Surgery, and Gynecology and Obstetrics are the medical specialties that have manufactured the largest number of processes. Working and printing time, as well as the amount of printing material, is different for different types of products and input data. The most common printing material was polylactic acid, although biocompatible resin was introduced to produce surgical guides. In addition, the hospital has worked on the co-design of custom-made implants with manufacturing companies and has also participated in tissue bio-printing projects. Conclusions The integration of 3D printing in a university hospital allows identifying the conceptual evolution to “point-of-care manufacturing.”
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Agung NP, Nadhif MH, Irdam GA, Mochtar CA. The Role of 3D-Printed Phantoms and Devices for Organ-specified Appliances in Urology. Int J Bioprint 2021; 7:333. [PMID: 33997433 PMCID: PMC8114094 DOI: 10.18063/ijb.v7i2.333] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 02/15/2021] [Indexed: 02/08/2023] Open
Abstract
Urology is one of the fields that are always at the frontline of bringing scientific advancements into clinical practice, including 3D printing (3DP). This study aims to discuss and presents the current role of 3D-printed phantoms and devices for organ-specified applications in urology. The discussion started with a literature search regarding the two mentioned topics within PubMed, Embase, Scopus, and EBSCOhost databases. 3D-printed urological organ phantoms are reported for providing residents new insight regarding anatomical characteristics of organs, either normal or diseased, in a tangible manner. Furthermore, 3D-printed organ phantoms also helped urologists to prepare a pre-surgical planning strategy with detailed anatomical models of the diseased organs. In some centers, 3DP technology also contributed to developing specified devices for disease management. To date, urologists have been benefitted by 3D-printed phantoms and devices in the education and disease management of organs of in the genitourinary system, including kidney, bladder, prostate, ureter, urethra, penis, and adrenal. It is safe to say that 3DP technology can bring remarkable changes to daily urological practices.
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Affiliation(s)
- Natanael Parningotan Agung
- Department of Urology, Faculty of Medicine/Ciptomangunkusumo Central Hospital, Universitas Indonesia, Jakarta, Indonesia
| | - Muhammad Hanif Nadhif
- Department of Medical Physics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia.,Medical Technology Cluster, Indonesian Medical Education and Research Institute, Jakarta, Indonesia
| | - Gampo Alam Irdam
- Department of Urology, Faculty of Medicine/Ciptomangunkusumo Central Hospital, Universitas Indonesia, Jakarta, Indonesia
| | - Chaidir Arif Mochtar
- Department of Urology, Faculty of Medicine/Ciptomangunkusumo Central Hospital, Universitas Indonesia, Jakarta, Indonesia
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Guler E, Ozer MA, Bati AH, Govsa F, Erozkan K, Vatansever S, Ersin MS, Elmas NZ. Patient-centered oncosurgical planning with cancer models in subspecialty education. Surg Oncol 2021; 37:101537. [PMID: 33711767 DOI: 10.1016/j.suronc.2021.101537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 01/20/2021] [Accepted: 03/02/2021] [Indexed: 01/17/2023]
Abstract
BACKGROUND A fundamental aspect of oncosurgical planning in organ resections is the identification of feeder vessel details to preserve healthy organ tissue while fully resecting the tumors. The purpose of this study was to determine whether three-dimensional (3D) cancer case models of computed tomography (CT) images will assist resident-level trainees in making appropriate operative plans for organ resection surgery. METHODS This study was based on the perception of surgery residents who were presented with 5 different oncosurgical scenarios. A five-station carousel including cases of liver mass, stomach mass, annular pancreas, pelvic mass and mediastinal mass was formed for the study. The residents were required to compare their perception level of the cases with their CT images, and 3D models in terms of identifying the invasion of the mass, making differential diagnosis and preoperative planning stage. RESULTS All residents have given higher scores for models. 3D models provided better understanding of oncopathological anatomy and improved surgical planning. In all scenarios, 70-80% of the residents preferred the model for preoperative planning. For surgical choice, compared to the CT, the model provided a statistically significant difference in terms of visual assessment, such as tumor location, distal or proximal organotomy (p:0.009). In the evaluation of presacral mass, the perception of model was significantly better than the CT in terms of bone-foramen relationship of chondrosarcoma, its origin, geometric shape, localization, invasion, and surgical preference (p:0.004). The model statistically significantly provided help to evaluate and prepare the case together with the colleagues performing surgery (p:0.007). Commenting on the open-ended question, they stated that the tumor-vessel relationship was clearly demonstrated in the 3D model, which has been very useful. CONCLUSIONS With the help of 3D printing technology in this study, it is possible to implement and evaluate a well-structured real patient scenario setup in cancer surgery training. It can be used to improve the understanding of pathoanatomical changes of multidisciplinary oncologic cases. Namely, it is used in guiding the surgical strategy and determining whether patient-specific 3D models change pre-operative planning decisions made by surgeons in complex cancer mass surgical procedures.
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Affiliation(s)
- Ezgi Guler
- Department of Radiology, Ege University Faculty of Medicine, Turkey
| | - Mehmet Asim Ozer
- Department of Anatomy Digital Imaging and 3D Modelling Laboratory, Ege University Faculty of Medicine, Turkey
| | - Ayse Hilal Bati
- Department of Medical Education, Ege University Faculty of Medicine, Turkey
| | - Figen Govsa
- Department of Anatomy Digital Imaging and 3D Modelling Laboratory, Ege University Faculty of Medicine, Turkey.
| | - Kamil Erozkan
- Department of General Surgery, Ege University Faculty of Medicine, Turkey
| | - Safa Vatansever
- Department of General Surgery, Ege University Faculty of Medicine, Turkey
| | - Muhtar Sinan Ersin
- Department of General Surgery, Ege University Faculty of Medicine, Turkey
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Andrés-Cano P, Calvo-Haro J, Fillat-Gomà F, Andrés-Cano I, Perez-Mañanes R. Role of the orthopaedic surgeon in 3D printing: current applications and legal issues for a personalized medicine. Rev Esp Cir Ortop Traumatol (Engl Ed) 2021. [DOI: 10.1016/j.recote.2021.01.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Gomes GRG, D'Ornellas MC, Dotto GN. Direct and virtual measurements of abdominal aortic aneurysms: three-dimensional printed models. Radiol Bras 2021; 54:21-26. [PMID: 33583974 PMCID: PMC7863711 DOI: 10.1590/0100-3984.2019.0117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Objective To validate the use of a three-dimensional printing system for metric and volumetric analysis of the segments of an abdominal aortic aneurysm (AAA). Materials and Methods In patients scheduled to undergo endovascular AAA repair, the computed tomography angiography (CTA) measurements obtained during the preoperative assessment of the patients were compared with those obtained by computed tomography of individualized three-dimensional biomodels. Results The volumetric assessment showed a discrepancy of 3-12%, and the difference between the areas was 10-16%. Conclusion Computed tomography measurements of 3D-printed biomodels of AAAs appear to be comparable to those of threedimensional CTA measurements of the same AAAs, in terms of the metric and volumetric dimensions.
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Computer Navigation and 3D Printing in the Surgical Management of Bone Sarcoma. Cells 2021; 10:cells10020195. [PMID: 33498287 PMCID: PMC7909290 DOI: 10.3390/cells10020195] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 12/16/2022] Open
Abstract
The long-term outcomes of osteosarcoma have improved; however, patients with metastases, recurrence or axial disease continue to have a poor prognosis. Computer navigation in surgery is becoming ever more commonplace, and the proposed advantages, including precision during surgery, is particularly applicable to the field of orthopaedic oncology and challenging areas such as the axial skeleton. Within this article, we provide an overview of the field of computer navigation and computer-assisted tumour surgery (CATS), in particular its relevance to the surgical management of osteosarcoma.
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35
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Xu Y, He L, Han Y, Duan D, Ouyang L. Evaluation of 3-Dimensional Magnetic Resonance Imaging (3D MRI) in Diagnosing Anterior Talofibular Ligament Injury. Med Sci Monit 2021; 27:e927920. [PMID: 33453097 PMCID: PMC7816539 DOI: 10.12659/msm.927920] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND It is challenging to entirely show the anterior talofibular ligament (ATFL) and accurately diagnose ATFL injury with traditional 2-dimensional (2D) magnetic resonance imaging (MRI). With the introduction of 3.0T MRI, a 3-dimensional (3D) MRI sequence can achieve images with high spatial resolution. This study aimed to evaluate the accuracy of 3D MRI and compare it with 2D MRI in diagnosing ATFL injury. MATERIAL AND METHODS This was a prospective study in which 45 patients with clinically suspected ATFL injury underwent 2D MRI, 3D MRI, and 3D model reconstruction followed by arthroscopic surgery between February 2018 and April 2019. Two radiologists who had over 11 and 13 years of musculoskeletal experience assessed the injury of ATFL in consensus without any clinical clues. Arthroscopic surgery results were the standard reference of MRI accuracy. RESULTS The 3D MRI results of ATFL injury showed the sensitivity of diagnosis of complete tears of 83% and specificity of 82%. The partial tears diagnosis sensitivity was 78%, and specificity was 100%. The sensitivity of diagnosis of sprains was 100%, and the specificity was 97%. The 3D MRI accuracy of diagnosis was 98% for no injury, 98% for sprain, 91% for partial tear, and 82% for complete tear. The difference in the diagnosis of sprain and partial tears by 3D MRI and 2D MRI was statistically significant (P<0.05). A 3D reconstruction model was successfully created for all patients. CONCLUSIONS 3D MRI may be a reliable and accurate method to detect ATFL injury. The 3D reconstruction model using 3D MRI sequences has excellent prospects in application.
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Affiliation(s)
- Yan Xu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Lei He
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Yu Han
- Department of Orthopedic Surgery, Shanghai Key Laboratory of Orthopedic Implants, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China (mainland)
| | - Deyu Duan
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
| | - Liu Ouyang
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China (mainland)
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36
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Andrés-Cano P, Calvo-Haro JA, Fillat-Gomà F, Andrés-Cano I, Perez-Mañanes R. Role of the orthopaedic surgeon in 3D printing: current applications and legal issues for a personalized medicine. Rev Esp Cir Ortop Traumatol (Engl Ed) 2020; 65:138-151. [PMID: 33298378 DOI: 10.1016/j.recot.2020.06.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 06/14/2020] [Indexed: 12/16/2022] Open
Abstract
3D printing (I3D) is an additive manufacturing technology with a growing interest in medicine and especially in the specialty of orthopaedic surgery and traumatology. There are numerous applications that add value to the personalised treatment of patients: advanced preoperative planning, surgeries with specific tools for each patient, customised orthotic treatments, personalised implants or prostheses and innovative development in the field of bone and cartilage tissue engineering. This paper provides an update on the role that the orthopaedic surgeon and traumatologist plays as a user and prescriber of this technology and a review of the stages required for the correct integration of I3D into the hospital care flow, from the necessary resources to the current legal recommendations.
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Affiliation(s)
- P Andrés-Cano
- Departamento de Cirugía Ortopédica y Traumatología, Hospital Universitario Virgen del Rocío, Sevilla, España.
| | - J A Calvo-Haro
- Servicio de Cirugía Ortopédica y Traumatología, Hospital General Universitario Gregorio Marañón, Madrid, España; Departamento de Cirugía, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
| | - F Fillat-Gomà
- Unidad de Planificación Quirúrgica 3D, Departamento de Cirugía Ortopédica y Traumatología, Parc Taulí Hospital Universitari, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Barcelona, España
| | - I Andrés-Cano
- Departamento de Radiodiagnóstico Hospital Universitario Puerta del Mar, Cádiz, España
| | - R Perez-Mañanes
- Servicio de Cirugía Ortopédica y Traumatología, Hospital General Universitario Gregorio Marañón, Madrid, España; Departamento de Cirugía, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, España
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Villarreal JA, Yoeli D, Masand PM, Galvan NTN, Olutoye OO, Goss JA. Hepatic separation of conjoined twins: Operative technique and review of three-dimensional model utilization. J Pediatr Surg 2020; 55:2828-2835. [PMID: 32792165 DOI: 10.1016/j.jpedsurg.2020.06.047] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/19/2020] [Accepted: 06/30/2020] [Indexed: 01/17/2023]
Abstract
BACKGROUND The separation of conjoined twins is a challenging and rare operation. Recent technological advances in imaging and three-dimensional printing (3DP) have allowed for enhancements in preoperative surgical planning and intraoperative anatomical orientation for complex operations. This report aims to consolidate the current clinical evidence utilizing 3DP models as an effective tool for surgical planning of conjoined twin separation and to detail our surgical approach for complex hepatic separation and management. METHODS A literature review was conducted for conjoined twin separations with preoperative use of 3D models including age at attempted separation, operative outcome, 3D modality, and postoperative course between 1998 and 2020. We also conducted a chart review of our electronic medical record for conjoined twin separations between January 2015 and December 2019. RESULTS We report two cases of conjoined twin separation with preoperative use of 3DP models from our institution: one set in the thoracoomphaloischiopagus orientation and the other set in the thoracoomphalopagus orientation with the presence of intrahepatic vascular anomalies. The literature review produced 10 case reports of conjoined twin separation with use preoperative 3D models accounting for 17 individual separation procedures. We summarize our preoperative radiological planning, the evidence of 3DP models as an educational and preoperative tool, ideal timing for separation, and our surgical approach for complex hepatic separation. CONCLUSIONS Conjoined twin separation requires a multidisciplinary effort to address the multisystem surgical and medical needs of these patients. These complex patients require extensive preoperative imaging for planning separation, and we strongly recommend utilizing 3D printed models when possible for better surgeon understanding of complex variable anatomy. We have found numerous reports of successful conjoined twin separation using 3DP technology in preoperative planning. The use of three-dimensional printed models for preoperative assessments is an invaluable tool and is rapidly improving in fidelity. TYPE OF STUDY Operative technique and case series. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Joshua A Villarreal
- Division of Abdominal Transplantation, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX; Texas Children's Hospital, Houston, TX.
| | - Dor Yoeli
- Department of Surgery, University of Colorado Denver, Aurora, CO
| | - Prakash M Masand
- Texas Children's Hospital, Houston, TX; Department of Pediatric Radiology, Baylor College of Medicine, Houston, TX
| | - Nhu Thao Nguyen Galvan
- Division of Abdominal Transplantation, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX; Texas Children's Hospital, Houston, TX
| | - Oluyinka O Olutoye
- Texas Children's Hospital, Houston, TX; Division of Pediatric Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX
| | - John A Goss
- Division of Abdominal Transplantation, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX; Texas Children's Hospital, Houston, TX
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Mao JZ, Mullin JP, Pollina J. Commentary: Integration of Technology Within the Spine Neurosurgical Training Paradigm. Oper Neurosurg (Hagerstown) 2020; 19:E538-E542. [DOI: 10.1093/ons/opaa248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 06/08/2020] [Indexed: 11/13/2022] Open
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Arce K, Morris JM, Alexander AE, Ettinger KS. Developing a Point-of-Care Manufacturing Program for Craniomaxillofacial Surgery. Atlas Oral Maxillofac Surg Clin North Am 2020; 28:165-179. [PMID: 32741513 DOI: 10.1016/j.cxom.2020.06.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Kevin Arce
- Division of Oral and Maxillofacial Surgery, Section of Head and Neck Oncologic Surgery and Reconstruction, Department of Surgery, Mayo Clinic and Mayo College of Medicine, 200 First St. SW, Mail Code: RO_MA_12_03E-OS, Rochester, MN 55905, USA.
| | - Jonathan M Morris
- Division of Neuroradiology, Medical Director of Anatomic Modeling Lab, Department of Radiology, Mayo Clinic and Mayo College of Medicine, 200 First St. SW, Mail Code: RO_MA_02_48WRAD, Rochester, MN 55905, USA
| | - Amy E Alexander
- Anatomic Modeling Lab, Department of Radiology, Mayo Clinic, 200 First St. SW, Mail Code: RO_JO_06_201RAD, Rochester, MN 55905, USA
| | - Kyle S Ettinger
- Division of Oral and Maxillofacial Surgery, Section of Head and Neck Oncologic Surgery and Reconstruction, Department of Surgery, Mayo Clinic and Mayo College of Medicine, 200 First St. SW, Mail Code: RO_MA_12_03E-OS, Rochester, MN 55905, USA
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Ballard DH, Wake N, Witowski J, Rybicki FJ, Sheikh A. Radiological Society of North America (RSNA) 3D Printing Special Interest Group (SIG) clinical situations for which 3D printing is considered an appropriate representation or extension of data contained in a medical imaging examination: abdominal, hepatobiliary, and gastrointestinal conditions. 3D Print Med 2020; 6:13. [PMID: 32514795 PMCID: PMC7278118 DOI: 10.1186/s41205-020-00065-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 04/23/2020] [Indexed: 02/06/2023] Open
Abstract
Background Medical 3D printing has demonstrated value in anatomic models for abdominal, hepatobiliary, and gastrointestinal conditions. A writing group composed of the Radiological Society of North America (RSNA) Special Interest Group on 3D Printing (SIG) provides appropriateness criteria for abdominal, hepatobiliary, and gastrointestinal 3D printing indications. Methods A literature search was conducted to identify all relevant articles using 3D printing technology associated with a number of abdominal pathologic processes. Each included study was graded according to published guidelines. Results Evidence-based appropriateness guidelines are provided for the following areas: intra-hepatic masses, hilar cholangiocarcinoma, biliary stenosis, biliary stones, gallbladder pathology, pancreatic cancer, pancreatitis, splenic disease, gastric pathology, small bowel pathology, colorectal cancer, perianal fistula, visceral trauma, hernia, abdominal sarcoma, abdominal wall masses, and intra-abdominal fluid collections. Conclusion This document provides initial appropriate use criteria for medical 3D printing in abdominal, hepatobiliary, and gastrointestinal conditions.
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Affiliation(s)
- David H Ballard
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 S. Kingshighway Blvd, Campus Box 8131, St. Louis, MO, 63110, USA.
| | - Nicole Wake
- Department of Radiology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Jan Witowski
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Krakow, Poland
| | - Frank J Rybicki
- Department of Radiology, University of Cincinnati Medical Center, Cincinnati, OH, USA
| | - Adnan Sheikh
- Department of Radiology and The Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada
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Beredjiklian PK, Wang M, Lutsky K, Vaccaro A, Rivlin M. Three-Dimensional Printing in Orthopaedic Surgery: Technology and Clinical Applications. J Bone Joint Surg Am 2020; 102:909-919. [PMID: 32079880 DOI: 10.2106/jbjs.19.00877] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Pedro K Beredjiklian
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute Orthopaedics, Philadelphia, Pennsylvania
| | - Mark Wang
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute Orthopaedics, Philadelphia, Pennsylvania
| | - Kevin Lutsky
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute Orthopaedics, Philadelphia, Pennsylvania
| | - Alexander Vaccaro
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute Orthopaedics, Philadelphia, Pennsylvania
| | - Michael Rivlin
- Department of Orthopaedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania.,Rothman Institute Orthopaedics, Philadelphia, Pennsylvania
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Eltes PE, Kiss L, Bartos M, Gyorgy ZM, Csakany T, Bereczki F, Lesko V, Puhl M, Varga PP, Lazary A. Geometrical accuracy evaluation of an affordable 3D printing technology for spine physical models. J Clin Neurosci 2020; 72:438-446. [DOI: 10.1016/j.jocn.2019.12.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Accepted: 12/16/2019] [Indexed: 10/25/2022]
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Clifton W, Nottmeier E, ReFaey K, Damon A, Vlasak A, Tubbs RS, Clifton CL, Pichelmann M. Ex vivo virtual and 3D printing methods for evaluating an anatomy‐based spinal instrumentation technique for the 12th thoracic vertebra. Clin Anat 2020; 33:458-467. [DOI: 10.1002/ca.23562] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/10/2020] [Accepted: 01/11/2020] [Indexed: 12/28/2022]
Affiliation(s)
- William Clifton
- Department of Neurological SurgeryMayo Clinic Florida Jacksonville Florida
| | - Eric Nottmeier
- Department of Neurological SurgeryMayo Clinic Florida Jacksonville Florida
| | - Karim ReFaey
- Department of Neurological SurgeryMayo Clinic Florida Jacksonville Florida
| | - Aaron Damon
- Department of EducationMayo Clinic Florida Jacksonville Florida
| | - Alexander Vlasak
- Department of Neurological SurgeryMayo Clinic Florida Jacksonville Florida
| | - R. Shane Tubbs
- Department of Neurosurgery and Structural and Cellular BiologyTulane University School of Medicine New Orleans Louisiana
| | | | - Mark Pichelmann
- Department of NeurosurgeryMayo Clinic Health Systems Eau Claire Wisconsin
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Yan C, Jia HC, Xu JX, Xu T, Chen K, Sun JC, Shi JG. Computer-Based 3D Simulations to Formulate Preoperative Planning of Bridge Crane Technique for Thoracic Ossification of the Ligamentum Flavum. Med Sci Monit 2019; 25:9666-9678. [PMID: 31847005 PMCID: PMC6929566 DOI: 10.12659/msm.918387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background The bridge crane technique is a novel surgical technique for the treatment of thoracic ossification of the ligamentum flavum (TOLF), but its preoperative planning has not been studied well, which limits the safety and efficacy of surgery to some extent. The purpose of this study was to investigate the method of application and effect of computer-aided preoperative planning (CAPP) on the bridge crane technique for TOLF. Material/Methods This retrospective multi-center included 40 patients with TOLF who underwent the bridge crane technique from 2016 to 2018. According to the utilization of CAPP, patients were divided into Group A (with CAPP, n=21) and Group B (without CAPP, n=19). Comparisons of clinical and radiological outcomes were carried out between the 2 groups. Results The patients in Group A had higher post-mJOA scores and IR of neurological function than those in Group B (p<0.05). Group A had shorter surgery time, fewer fluoroscopic images, and lower incidence of complications than Group B. In Group A, there was a high consistency of all the anatomical parameters between preoperative simulation and postoperative CT (p>0.05). In Group B, there were significant differences in 3 anatomical parameters between postoperative simulation and postoperative CT (p<0.05). In Group B, the patients with no complications had higher post-SVOR and lower SVRR and height of posterior suspension of LOC in postoperative CT than those in postoperative simulation (p<0.05). Conclusions CAPP can enable surgeons to control the decompression effect accurately and reduce the risk of related complications, which improves the safety and efficacy of surgery.
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Affiliation(s)
- Chen Yan
- Second Department of Spine Surgery, Changzheng Hospital, Navy Medical University, Shanghai, China (mainland).,Undergraduate Incubation Center, Navy Medical University, Shanghai, China (mainland)
| | - Huai-Cheng Jia
- Second Department of Spine Surgery, Changzheng Hospital, Navy Medical University, Shanghai, China (mainland).,Undergraduate Incubation Center, Navy Medical University, Shanghai, China (mainland)
| | - Jia-Xi Xu
- Second Department of Spine Surgery, Changzheng Hospital, Navy Medical University, Shanghai, China (mainland).,Undergraduate Incubation Center, Navy Medical University, Shanghai, China (mainland)
| | - Tao Xu
- Department of Orthopedic Surgery, No. 906 Hospital of the People's Liberation Army (PLA), Ningbo, Zhejiang, China (mainland)
| | - Kun Chen
- Department of Orthopedics, Guangzhou General Hospital of Guangzhou Military Command, Guangzhou, Guangdong, China (mainland)
| | - Jing-Chuan Sun
- Second Department of Spine Surgery, Changzheng Hospital, Navy Medical University, Shanghai, China (mainland)
| | - Jian-Gang Shi
- Second Department of Spine Surgery, Changzheng Hospital, Navy Medical University, Shanghai, China (mainland)
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Liu X, Zhao Y, Xuan Y, Lan X, Zhao J, Lan X, Han B, Jiao W. Three-dimensional printing in the preoperative planning of thoracoscopic pulmonary segmentectomy. Transl Lung Cancer Res 2019; 8:929-937. [PMID: 32010571 DOI: 10.21037/tlcr.2019.11.27] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Background The purpose of this study is to explore whether 3D printing has a better clinical value for making a preoperative plan than three-dimensional computed tomography (3D-CT) in thoracoscopic pulmonary segmentectomy. Methods We collected a total of 124 patients' clinical data who underwent thoracoscopic pulmonary segmentectomy from October 2017 to August 2018. According to the preoperative examination, the patients were divided into three groups: general group, 3D-CT group, and 3D printing group. The clinical data of each group were analyzed and compared. Results Compared with the general group, intraoperative blood loss in 3D-CT group and 3D printing group decreased significantly (P<0.05). Operation time in 3D-CT group and 3D printing group was significantly shorter than in the general group (P<0.05). Between 3D-CT group and 3D printing group intraoperative blood loss and operation time had no significant differences (P>0.05). Postoperative chest tube duration and postoperative hospital stay had no significant differences between each group P>0.05). The incidence of postoperative hemoptysis in the general group occurred higher than in the 3D-CT group and 3D printing group, but the differences were not statistically significant (P>0.05). Postoperative complications of pneumonia, atelectasis, and pulmonary air leakage (>6 d) had no significant differences between each group (P>0.05). Conclusions 3D printing and 3D-CT for making a preoperative plan have an equivalent effect in thoracoscopic pulmonary segmentectomy for experienced surgeons. Preoperative simulations using 3D printing for the assessment of pulmonary vessel and bronchi branching patterns is beneficial for the safe and efficient performance of thoracoscopic pulmonary segmentectomy.
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Affiliation(s)
- Xiaojun Liu
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, China.,Department of Thoracic Surgery, Qingdao Chengyang District People's Hospital, Qingdao 266003, China
| | - Yandong Zhao
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Yunpeng Xuan
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Xinyan Lan
- Department of Thoracic Surgery, Qingdao Chengyang District People's Hospital, Qingdao 266003, China
| | - Jun Zhao
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, China.,Department of Thoracic Surgery, Qingdao Chengyang District People's Hospital, Qingdao 266003, China
| | - Xiaoquan Lan
- Clinical Medical Transformation Center of Three-Dimensional Printing, Qingdao Chengyang District People's Hospital, Qingdao 266003, China
| | - Bin Han
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Wenjie Jiao
- Department of Thoracic Surgery, The Affiliated Hospital of Qingdao University, Qingdao 266003, China
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Blake C, Birch S, Brandão J. Medical Three-Dimensional Printing in Zoological Medicine. Vet Clin North Am Exot Anim Pract 2019; 22:331-348. [PMID: 31395318 DOI: 10.1016/j.cvex.2019.05.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Medical 3-dimensional printing allows the creation of anatomic models by using a sequence of computer software programs. Diagnostic imaging data are used to create a physical model that allows clinicians to plan for surgical procedures and create prosthetics and surgical implants and instruments, among other applications. Its use in zoological medicine is limited, but is an area with a great growth potential. This publication reviews the process of creating a 3-dimensional anatomic model, its application in human and small animal medicine and surgery, and reviews peer-reviewed data regarding its use in exotic animals, wildlife, and zoo animals.
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Affiliation(s)
- Cara Blake
- Small Animal Surgery, Department of Veterinary Clinical Sciences, Center for Veterinary Health Sciences, Oklahoma State University, 2065 West Farm Road, Stillwater, OK 74078, USA.
| | - Scott Birch
- Pixelbeaker, 4834 Hillsdale Circle, Chattanooga, TN 37416, USA
| | - João Brandão
- Zoological Medicine, Department of Veterinary Clinical Sciences, Center for Veterinary Health Sciences, Oklahoma State University, 2065 West Farm Road, Stillwater, OK 74078, USA
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Bartel T, Rivard A, Jimenez A, Mestres CA, Müller S. Medical three-dimensional printing opens up new opportunities in cardiology and cardiac surgery. Eur Heart J 2019; 39:1246-1254. [PMID: 28329105 DOI: 10.1093/eurheartj/ehx016] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 01/11/2017] [Indexed: 11/12/2022] Open
Abstract
Advanced percutaneous and surgical procedures in structural and congenital heart disease require precise pre-procedural planning and continuous quality control. Although current imaging modalities and post-processing software assists with peri-procedural guidance, their capabilities for spatial conceptualization remain limited in two- and three-dimensional representations. In contrast, 3D printing offers not only improved visualization for procedural planning, but provides substantial information on the accuracy of surgical reconstruction and device implantations. Peri-procedural 3D printing has the potential to set standards of quality assurance and individualized healthcare in cardiovascular medicine and surgery. Nowadays, a variety of clinical applications are available showing how accurate 3D computer reformatting and physical 3D printouts of native anatomy, embedded pathology, and implants are and how they may assist in the development of innovative therapies. Accurate imaging of pathology including target region for intervention, its anatomic features and spatial relation to the surrounding structures is critical for selecting optimal approach and evaluation of procedural results. This review describes clinical applications of 3D printing, outlines current limitations, and highlights future implications for quality control, advanced medical education and training.
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Affiliation(s)
- Thomas Bartel
- Heart & Vascular Institute, Cleveland Clinic Abu Dhabi, PO Box 112412, Abu Dhabi, United Arab Emirates
| | - Andrew Rivard
- Imaging Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Alejandro Jimenez
- Heart & Vascular Institute, Cleveland Clinic Abu Dhabi, PO Box 112412, Abu Dhabi, United Arab Emirates
| | - Carlos A Mestres
- Heart & Vascular Institute, Cleveland Clinic Abu Dhabi, PO Box 112412, Abu Dhabi, United Arab Emirates
| | - Silvana Müller
- Department of Internal Medicine III, Cardiology Division, Innsbruck Medical University, Innsbruck, Austria
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Perica ER, Sun Z. A Systematic Review of Three-Dimensional Printing in Liver Disease. J Digit Imaging 2019; 31:692-701. [PMID: 29633052 DOI: 10.1007/s10278-018-0067-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The purpose of this review is to analyse current literature related to the clinical applications of 3D printed models in liver disease. A search of the literature was conducted to source studies from databases with the aim of determining the applications and feasibility of 3D printed models in liver disease. 3D printed model accuracy and costs associated with 3D printing, the ability to replicate anatomical structures and delineate important characteristics of hepatic tumours, and the potential for 3D printed liver models to guide surgical planning are analysed. Nineteen studies met the selection criteria for inclusion in the analysis. Seventeen of them were case reports and two were original studies. Quantitative assessment measuring the accuracy of 3D printed liver models was analysed in five studies with mean difference between 3D printed models and original source images ranging from 0.2 to 20%. Fifteen studies provided qualitative assessment with results showing the usefulness of 3D printed models when used as clinical tools in preoperative planning, simulation of surgical or interventional procedures, medical education, and training. The cost and time associated with 3D printed liver model production was reported in 11 studies, with costs ranging from US$13 to US$2000, duration of production up to 100 h. This systematic review shows that 3D printed liver models demonstrate hepatic anatomy and tumours with high accuracy. The models can assist with preoperative planning and may be used in the simulation of surgical procedures for the treatment of malignant hepatic tumours.
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Affiliation(s)
- Elizabeth Rose Perica
- Department of Medical Radiation Sciences, Curtin University, GPO Box U1987, Perth, Western Australia, 6845, Australia
| | - Zhonghua Sun
- Department of Medical Radiation Sciences, Curtin University, GPO Box U1987, Perth, Western Australia, 6845, Australia.
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An overview on 3D printing for abdominal surgery. Surg Endosc 2019; 34:1-13. [PMID: 31605218 DOI: 10.1007/s00464-019-07155-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 09/24/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Three-dimensional (3D) printing is a disruptive technology that is quickly spreading to many fields, including healthcare. In this context, it allows the creation of graspable, patient-specific, anatomical models generated from medical images. The ability to hold and show a physical object speeds up and facilitates the understanding of anatomical details, eases patient counseling and contributes to the education and training of students and residents. Several medical specialties are currently exploring the potential of this technology, including general surgery. METHODS In this review, we provide an overview on the available 3D printing technologies, together with a systematic analysis of the medical literature dedicated to its application for abdominal surgery. Our experience with the first clinical laboratory for 3D printing in Italy is also reported. RESULTS There was a tenfold increase in the number of publications per year over the last decade. About 70% of these papers focused on kidney and liver models, produced primarily for pre-interventional planning, as well as for educational and training purposes. The most used printing technologies are material jetting and material extrusion. Seventy-three percent of publications reported on fewer than ten clinical cases. CONCLUSION The increasing application of 3D printing in abdominal surgery reflects the dawn of a new technology, although it is still in its infancy. The potential benefit of this technology is clear, however, and it may soon lead to the development of new hospital facilities to improve surgical training, research, and patient care.
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Tsuchida Y, Takahashi H, Watanabe H, Oki M, Shiozawa M, Kurabayashi T, Suzuki T. Effects of number of metal restorations and mandibular position during computed tomography imaging on accuracy of maxillofacial models. J Prosthodont Res 2019; 63:239-244. [DOI: 10.1016/j.jpor.2018.12.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 12/10/2018] [Accepted: 12/12/2018] [Indexed: 10/27/2022]
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